PLEASE HELP MEE Find the scale factor of dilation if PQ is dilated to P′Q′ such that = 18 and = 6.

A)

3

B)

12

C)

24

D)

1∕3

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?